CN205905435U - 3d printer - Google Patents
3d printer Download PDFInfo
- Publication number
- CN205905435U CN205905435U CN201620845391.1U CN201620845391U CN205905435U CN 205905435 U CN205905435 U CN 205905435U CN 201620845391 U CN201620845391 U CN 201620845391U CN 205905435 U CN205905435 U CN 205905435U
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- CN
- China
- Prior art keywords
- comb
- powder
- heat
- return
- printer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a 3D printer, the main problem that can not retrieve protective gas and waste heat to current 3D printer has provided a 3D printer who retrieves protective gas and waste heat, including protective gas circulation circuit and waste heat utilization return circuit, protective gas circulation circuit including set up the gas protection case in the cube framework outside, through gas supply line and gas protection bottom of the case portion intercommunication air feed mechanism, through return -air duct and the return -air mechanism that gas protection roof portion is connected, pass through communicating pipe between air feed mechanism and the return -air mechanism and communicate the last booster fan that is provided with of communicating pipe, the waste heat utilization return circuit includes powder heat exchanger and return air heat exchanger, the return air heat exchanger includes heat transfer box and snakelike heat exchange pipe, and the heat transfer box sets up on the return air duct, and the powder heat exchanger includes the powder heat transfer mechanism with the powder heat transfer, and snakelike heat exchange pipe forms circulation circuit with powder heat transfer mechanism intercommunication. The utility model discloses can retrieve protective gas and part cooling waste heat.
Description
Technical field
This utility model is related to a kind of 3d printer.
Background technology
3d printer be a kind of increase material process technology, be the consumptive materials such as powder are melted by modes such as heating after carry out multilamellar
Stacking solidification and complete part processing technology.Existing 3d printer adopts open space framework, in process
Protective atmosphere can not protect part completely, further, since using open space framework it is impossible to enough carried out protective gas
Reclaim, nor the heat being discharged using part cooling, cause the waste of material and energy.
Utility model content
For the problems referred to above, this utility model provides a kind of 3d printer that can reclaim protective gas and part waste heat.
For reaching above-mentioned purpose, this utility model 3d printer, including cubic support, it is arranged in cubic support
Molding thermal source that x, y-axis motion are connected with described x, y-axis motion and nozzle and be arranged on described cubic support
Shaped platform in framework, also includes protective gas closed circuit and UTILIZATION OF VESIDUAL HEAT IN loop；
Described protective gas closed circuit includes being arranged on gas shield case outside cube frame, passes through steam line
Gas supply mechanism, the return-air machine being connected with gas shield box top by return-air duct with the connection of described gas shield bottom portion
Structure, is connected by connecting pipe between described gas supply mechanism and described air return mechanism, and described connecting pipe is provided with supercharging wind
Machine；
Described UTILIZATION OF VESIDUAL HEAT IN loop includes powder heat exchanging device and return-air heat exchanger；Described return-air heat exchanger includes heat exchange casing
With the snakelike heat exchange tube being arranged in heat exchange box body, described heat exchange casing is arranged on return air duct, described powder heat exchanging device bag
Include the powder heat exchanging mechanism with powder heat exchanging, described snakelike heat exchange tube forms closed circuit with described powder heat exchanging mechanism connection.
Further, described return air duct is connected with dust arrester, described dust arrester includes shell and described shell
Cylinder and the storage dirt room being arranged on outer casing bottom that top connects；The height of described cylinder is the 1/3～1/2 of outer cover height,
The top of described side wall of outer shell is provided with entrance, and the top board of described cylinder is provided with outlet.
Further, described powder heat exchanging mechanism includes powder feeding comb, and described powder feeding comb is arranged in powder container, institute
State powder feeding comb and include horizontal comb beam and some comb being connected with described horizontal comb beam；
The two ends of described comb beam are provided with the drive mechanism driving described powder feeding comb to swing.
Further, described horizontal comb beam includes a comb beam outer tube and is arranged on comb beam core pipe in comb beam outer tube,
The sealing setting of described comb beam outer tube one end, the other end of described comb beam outer tube is tightly connected with the outer wall of described comb beam core pipe, institute
State one end open setting in described comb beam outer tube of comb beam core pipe, the other end of described comb beam core pipe is provided with heat transferring medium and enters
Mouthful, the outer wall of described comb beam outer tube is provided with heat transferring medium outlet；
Described comb includes comb outer tube and comb core pipe, and the lower end sealing of described comb outer tube is arranged, described comb
Outer tube upper end is connected with described comb beam outer tube, and the lower end of described comb core pipe is open in described comb core pipe to be arranged, described comb
The upper end of tooth core pipe is connected with described comb beam core pipe.
Further, described horizontal comb beam is connected with some groups of comb, the axis of described comb is along described horizontal comb beam
Be radially arranged, the angle between two adjacent groups comb is acute angle.
Further, the outer wall of described cylinder is provided with spiral guide plate, described spiral guide plate lower surface and cylinder outer wall it
Between angle be less than 90 °.
Further, the side plate of described gas shield case includes reflecting layer and the heat-insulation layer setting gradually from inside to outside.
This utility model 3d printer passes through to arrange gas shield case in the outside of space framework, makes the course of processing be in one
In the environment of individual sealing, in such manner, it is possible to reclaim the protective gas in print procedure, simultaneously as the shielding gas in print procedure
Body directly contact part to be processed, absorbs the heat of the release of part cooling, therefore, arranges on the return-air duct of protective gas
Heat exchanger can reclaim the waste heat of part cooling.The waste heat that part is cooled down is used for heating powder, can form waste heat to powder,
The heat demand in print procedure can be reduced, also just can save energy.
Brief description
Fig. 1 is the workflow diagram of this utility model 3d printer.
Specific embodiment
With reference to Figure of description, this utility model is further described.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of 3d printer, including cubic support, it is arranged in cubic support
X, the molding thermal source that is connected with described x, y-axis motion of y-axis motion and nozzle and be arranged on described cube and prop up
Shaped platform in frame framework, also includes protective gas closed circuit and UTILIZATION OF VESIDUAL HEAT IN loop；
Described protective gas closed circuit includes being arranged on gas shield case outside cube frame, passes through steam line
Gas supply mechanism, the return-air machine being connected with gas shield box top by return-air duct with the connection of described gas shield bottom portion
Structure, is connected by connecting pipe between described gas supply mechanism and described air return mechanism, and described connecting pipe is provided with supercharging wind
Machine；
Described UTILIZATION OF VESIDUAL HEAT IN loop includes powder heat exchanging device and return-air heat exchanger；Described return-air heat exchanger includes heat exchange casing
With the snakelike heat exchange tube being arranged in heat exchange box body, described heat exchange casing is arranged on return air duct, described powder heat exchanging device bag
Include the powder heat exchanging mechanism with powder heat exchanging, described snakelike heat exchange tube forms closed circuit with described powder heat exchanging mechanism connection.
The present embodiment 3d printer passes through to arrange gas shield case in the outside of space framework, makes the course of processing be in one
In the environment of sealing, in such manner, it is possible to reclaim the protective gas in print procedure, simultaneously as the protective gas in print procedure
Directly contact part to be processed, absorbs the heat of the release of part cooling, therefore, arranges and change on the return-air duct of protective gas
Hot device can reclaim the waste heat of part cooling.The waste heat that part is cooled down is used for heating powder, can form waste heat, energy to powder
Heat demand in print procedure for enough minimizings, also just can save energy.
Further, since the course of processing of 3d printer is by opening change for sealing state, in such manner, it is possible to make outside 3d printer
The environment in portion is affected by, and decreases flying upward of powder, the scattering and disappearing of heat, harmful ion that protective gas produces etc., therefore,
Largely improve the working environment of operator.
Embodiment 2
On the basis of above-described embodiment, described return air duct is connected with dust arrester, described dust arrester includes outer
Cylinder and the storage dirt room being arranged on outer casing bottom that shell is connected with described cover top portion；The height of described cylinder is that shell is high
The 1/3～1/2 of degree, the top of described side wall of outer shell is provided with entrance, and the top board of described cylinder is provided with outlet.Described cylinder
Outer wall is provided with spiral guide plate, and the angle between described spiral guide plate lower surface and cylinder outer wall is less than 90 °.
Because protective gas is when reclaiming, the powder that a part is not melted can be taken away, lead to contain material powder in gas
End, therefore, the present embodiment arranges dust arrester on return air duct, and dust arrester can make return-air form whirlwind in the housing,
Make powder be deposited on the storage dirt room of bottom, so, the powder in the protective gas of recovery can not only be removed, it is to avoid to shielding gas
The recycle unit of body causes to damage additionally it is possible to reclaim the powder not melted, and reduces the waste of material.
Embodiment 3
On the basis of above-described embodiment, described powder heat exchanging mechanism includes powder feeding comb, and described powder feeding comb is arranged on
In powder container, described powder feeding comb includes horizontal comb beam and some comb being connected with described horizontal comb beam；
The two ends of described comb beam are provided with the drive mechanism driving described powder feeding comb to swing.
Described horizontal comb beam includes a comb beam outer tube and is arranged on comb beam core pipe in comb beam outer tube, outside described comb beam
The sealing setting of pipe one end, the other end of described comb beam outer tube is tightly connected with the outer wall of described comb beam core pipe, described comb beam core pipe
One end open setting in described comb beam outer tube, the other end of described comb beam core pipe is provided with heat transferring medium entrance, described comb
Heat transferring medium outlet is provided with the outer wall of beam outer tube；
Described comb includes comb outer tube and comb core pipe, and the lower end sealing of described comb outer tube is arranged, described comb
Outer tube upper end is connected with described comb beam outer tube, and the lower end of described comb core pipe is open in described comb core pipe to be arranged, described comb
The upper end of tooth core pipe is connected with described comb beam core pipe.
In the present embodiment, heat exchange is carried out using powder feeding comb and powder, in such manner, it is possible to make powder feeding comb can either powder feeding,
Again can heat exchange, can thin device, meanwhile, the contact area with powder of described powder feeding comb is big, can fully and powder
Carry out heat exchange.
Embodiment 4
On the basis of above-described embodiment, described horizontal comb beam is connected with some groups of comb, the axis edge of described comb
Being radially arranged of described horizontal comb beam, the angle between two adjacent groups comb is acute angle.
Powder feeding comb is adopted some groups of comb by the present embodiment, by increasing capacitance it is possible to increase the heat exchange area with powder, can be further
Strengthen the heat exchange ability and powder between.
Embodiment 5
On the basis of above-described embodiment, the side plate of described gas shield case includes the reflecting layer setting gradually from inside to outside
And heat-insulation layer.
The heat that the version of the gas shield case of the present embodiment can reduce protective gas scatters and disappears, it is possible to increase waste heat
The heat reclaiming.
More than, preferred embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto, and appoints
What those familiar with the art in the technical scope that this utility model discloses, the change that can readily occur in or replace
Change, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with claim
The protection domain being defined is defined.
Claims (7)
1. a kind of 3d printer, including cubic support, the x being arranged in cubic support, y-axis motion and described x, y
Molding thermal source that shaft movement mechanism connects and nozzle and be arranged on shaped platform in described cubic support framework, its feature
It is: also include protective gas closed circuit and UTILIZATION OF VESIDUAL HEAT IN loop；
Described protective gas closed circuit includes being arranged on gas shield case outside cube frame, passes through steam line and institute
State the gas supply mechanism of gas shield bottom portion connection, the air return mechanism being connected by return-air duct, institute with gas shield box top
State and connected by connecting pipe between gas supply mechanism and described air return mechanism, described connecting pipe is provided with booster fan；
Described UTILIZATION OF VESIDUAL HEAT IN loop includes powder heat exchanging device and return-air heat exchanger；Described return-air heat exchanger includes heat exchange casing and sets
Put the snakelike heat exchange tube in heat exchange box body, described heat exchange casing is arranged on return air duct, described powder heat exchanging device include with
The powder heat exchanging mechanism of powder heat exchanging, described snakelike heat exchange tube forms closed circuit with described powder heat exchanging mechanism connection.
2. 3d printer as claimed in claim 1 it is characterised in that: be connected with dust arrester on described return air duct, described remove
Dirt device includes the shell cylinder being connected with described cover top portion and the storage dirt room being arranged on outer casing bottom；Described cylinder
It is highly the 1/3～1/2 of outer cover height, the top of described side wall of outer shell is provided with entrance, and the top board of described cylinder is provided with out
Mouthful.
3. 3d printer as claimed in claim 1 it is characterised in that: described powder heat exchanging mechanism includes powder feeding comb, described send
Powder comb is arranged in powder container, and described powder feeding comb includes horizontal comb beam and some combs being connected with described horizontal comb beam
Tooth；
The two ends of described comb beam are provided with the drive mechanism driving described powder feeding comb to swing.
4. 3d printer as claimed in claim 3 it is characterised in that: described horizontal comb beam includes a comb beam outer tube and setting
Comb beam core pipe in comb beam outer tube, the sealing setting of described comb beam outer tube one end, the other end of described comb beam outer tube and described comb
The outer wall of beam core pipe is tightly connected, and one end of described comb beam core pipe is open in described comb beam outer tube to be arranged, described comb beam core pipe
The other end be provided with heat transferring medium entrance, the outer wall of described comb beam outer tube is provided with heat transferring medium outlet；
Described comb includes comb outer tube and comb core pipe, the lower end sealing setting of described comb outer tube, the outer tube of described comb
Upper end is connected with described comb beam outer tube, and the lower end of described comb core pipe is open in described comb core pipe to be arranged, described comb core
The upper end of pipe is connected with described comb beam core pipe.
5. 3d printer as claimed in claim 4 it is characterised in that: some groups of comb are connected with described horizontal comb beam, described
The axis of comb is radially arranged along described horizontal comb beam, and the angle between two adjacent groups comb is acute angle.
6. 3d printer as claimed in claim 2 it is characterised in that: the outer wall of described cylinder is provided with spiral guide plate, described spiral shell
Angle between rotation guide plate lower surface and cylinder outer wall is less than 90 °.
7. 3d printer as claimed in claim 1 it is characterised in that: the side plate of described gas shield case is included from inside to outside successively
The reflecting layer of setting and heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845391.1U CN205905435U (en) | 2016-08-05 | 2016-08-05 | 3d printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845391.1U CN205905435U (en) | 2016-08-05 | 2016-08-05 | 3d printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205905435U true CN205905435U (en) | 2017-01-25 |
Family
ID=57803536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620845391.1U Expired - Fee Related CN205905435U (en) | 2016-08-05 | 2016-08-05 | 3d printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205905435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278286A (en) * | 2017-07-21 | 2019-01-29 | Cl产权管理有限公司 | The method for running the equipment that at least one manufactures three-dimension object for adding type |
| CN114045490A (en) * | 2021-11-22 | 2022-02-15 | 安徽中科春谷激光产业技术研究院有限公司 | Gas circulating device for laser cladding and method thereof |
-
2016
- 2016-08-05 CN CN201620845391.1U patent/CN205905435U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278286A (en) * | 2017-07-21 | 2019-01-29 | Cl产权管理有限公司 | The method for running the equipment that at least one manufactures three-dimension object for adding type |
| JP2019194022A (en) * | 2017-07-21 | 2019-11-07 | ツェーエル・シュッツレヒツフェアヴァルトゥングス・ゲゼルシャフト・ミト・べシュレンクテル・ハフツング | Method for operating at least one apparatus for additively manufacturing three-dimensional objects |
| US10807195B2 (en) | 2017-07-21 | 2020-10-20 | Concept Laser Gmbh | Method for operating at least one apparatus for additively manufacturing three-dimensional objects |
| CN109278286B (en) * | 2017-07-21 | 2022-02-15 | Cl产权管理有限公司 | Method for operating at least one device for additive production of three-dimensional objects |
| CN114393825A (en) * | 2017-07-21 | 2022-04-26 | Cl产权管理有限公司 | Method for operating at least one device for additive production of three-dimensional objects |
| CN114393825B (en) * | 2017-07-21 | 2024-04-19 | 概念激光有限责任公司 | Method for operating at least one device for additive production of three-dimensional objects |
| CN114045490A (en) * | 2021-11-22 | 2022-02-15 | 安徽中科春谷激光产业技术研究院有限公司 | Gas circulating device for laser cladding and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20170805 |